Toyota Motor and Idemitsu Kosan announced a partnership to mass-produce all-solid-state batteries. As electric cars gain more and more traction, the battery tech becomes a key development focus. Solid-state batteries are supposed to be the “next big thing” in the EV universe, with range, charging speed and eventually cost benefits over their liquid electrolyte counterparts. But can these two giants deliver on the promise? Toyota was late to the all-EV bandwagon. Still when the world’s largest automaker by sales volume announced earlier this year about a “technological breakthrough” in… More…